Hurricane Isaac

Public Advisory 19A



456
WTNT34 KNHC 021137
TCPAT4
BULLETIN
HURRICANE ISAAC INTERMEDIATE ADVISORY NUMBER 19A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL092006
800 AM AST MON OCT 02 2006

...ISAAC CONTINUES RACING TOWARD NEWFOUNDLAND...

A TROPICAL STORM WARNING IS IN EFFECT FOR THE AVALON PENINSULA IN
SOUTHEASTERN NEWFOUNDLAND...WHICH INCLUDES THE CITIES OF ST. JOHNS
AND CAPE RACE.

A TROPICAL STORM WATCH IS IN EFFECT FOR THE BURIN PENINSULA AND
BONAVISTA PENINSULA IN SOUTHEASTERN NEWFOUNDLAND.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.

AT 800 AM AST...1200Z..THE CENTER OF HURRICANE ISAAC WAS LOCATED
NEAR LATITUDE 42.0 NORTH...LONGITUDE 56.7 WEST OR ABOUT 370 MILES...
595 KM...SOUTH-SOUTHWEST OF CAPE RACE NEWFOUNDLAND.

ISAAC IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 35 MPH...56 KM/HR...
AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 24
HOURS. ON THIS TRACK THE CENTER WILL PASS NEAR OR OVER SOUTHEASTERN
NEWFOUNDLAND LATER TODAY.

MAXIMUM SUSTAINED WINDS ARE NEAR 75 MPH...120 KM/HR...WITH HIGHER
GUSTS. ISAAC IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
SCALE. SLOW WEAKENING IS EXPECTED TODAY.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 290
MILES...465 KM.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 989 MB...29.21 INCHES.

COASTAL STORM SURGE FLOODING OF 2 TO 3 FEET ABOVE NORMAL TIDE
LEVELS...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...CAN BE
EXPECTED NEAR AND TO THE EAST OF WHERE THE CENTER MAKES LANDFALL.

RAINFALL TOTALS OF 2 TO 3 INCHES WILL BE POSSIBLE OVER SOUTHEASTERN
NEWFOUNDLAND TODAY.

REPEATING THE 800 AM AST POSITION...42.0 N...56.7 W. MOVEMENT
TOWARD...NORTH-NORTHEAST NEAR 35 MPH. MAXIMUM SUSTAINED WINDS...75
MPH. MINIMUM CENTRAL PRESSURE...989 MB.

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
1100 AM AST.

$$
FORECASTER BROWN/PASCH